Pre Calculus
21,880 results, page 70

Calculus
find the limit of ((sqrt(x+4))2)/x as x approaches 0. 
calculus
consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (1,y2) where y1=?, y2=? 
Calculus
Using a linear approximation or differentials, approximate:(26.98)^(3/4) thank you for your help! 
Calculus
2) If f(x)=∫t^2dt on the interval from 4 to x^3 then f′(x)=? 
Calculus
Find dy/dx by implicit differentiation: x^22xy+y^3 = c Thank you! 
Calculus
same as my question below please help me post your answer on here if you have one on these forms of course h t t p : / / w w w . p h y s i c s f o r u m s . c o m / s h o w t h r e a d . p h p ? t = 4 2 1 7 6 3 
calculus
find the domain of function f(x)= (5x + 4)/(x^2 + 3x + 2) is the answer.. x can't be 2 or 1? 
calculus
I am having a problem with solving this Given the function f described by f(x)=x+3, find each of the following: f(0) f(13) f(12) f(1) f(4+8) can you help me please? 
calculus
Find the limit as x approaches 4 of 4lxl/4+x 
calculus
What is the limit of this function as x approaches infinity? 2^x + x^3 / x^2 + 3^x 
Calculus
Find the points of discontinuity. f(x) = { 16/x^2 if x ≥ 2 { 3x  2 if x < 2 
calculus
find the derivative of (x^2+1) 3rd root of x^2+2 
Calculus
Determine the limit lim x>0 1cos^2(3x)/x^2 
Calculus
Reverse the order of the double integral (y+1) dx dy, where 1<= y <= 4 and y  4 <= x <= 4yy^2 
calculus
Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x)) = 2^x(lnx) but now I'm stuck.. 
Calculus
Find one sided limit lim x>2+ 1/(1+e^(1/x2)) 
Calculus
Determine the following limits if it exists. a. lim x>5 (4x/x5) 
calculus
Find the derivative of the function. y = cos^4(¹t  8) 
Calculus
9)Evaluate the indefinite integral. ∫x^8e^(x^9)dx 
Calculus
Find f(x)' of f(x)=x^x^x I logged both sides to get ln y = x^x ln x But I am not sure what step to do after that. 
calculus
Let P= (V^2)R / (R+r)^2 Calculate dP/dr, assuming that r is variable and R is constant. 
Calculus
Find limit as x approaches 5 (x^23x10)/(x5) A. 2 B. DNE C. 0 D. 7 E. None of these 
Calculus
If f(x) = {x^2+3x1, x<=2 and 3bx+3, x<2 , find the value of b in order for f to be continuous 
Calculus
If f(x) = {x^2+3x1, x<=2 and 3bx+3, x<2 , find the value of b in order for f to be continuous 
calculus
limit of sin x / 2x squared  x as x approaches 0 
Calculus
Find f'(x) for f(x)=(2x^2+5)^7 A. 7(4x)^6 B. 7(4x)^7 C. 28x(2x^2+5)^7 D. 7(2x^2+5)^6 E. None of these Would it be none of these because of the 4x in the chain rule? 
calculus
sqrt(x^2  9) / x I need to solve this using the definition of a derivative [f(a+h)  f(a)]/h I can't seem to get it :\ 
Calculus
Evaluate the integral from 2/sqrt2 to 4; 1/(t^3 sqrt(t^24))? 
Calculus
Find the derivative: f(x)=1/cubed root(3x^3) A. 1/3(3x^3)^4/3 B. x^2/(3x^3)^4/3 C. x^2/(3x^3)^2/3 D. x^2/(3x^3)^4/3 E. None of these 
calculus
Find the antiderivative of x^4... Isn't it 4x^3+c? Please help... Thanks! 
Calculus
Find the value of a≥0 that maximizes the integral from 0 to a of (4x²)dx. Thank you! 
AP Calculus
Find f'(x): f(x)=(x^23x)/x^2 A. 2x3/x^2 B. 2x3/2x C. 1(3/x) D. 3/x^2 E. None of these I get confused on the simplifying part. 
Calculus
2) If f(x)=∫t^2dt not he integral from 4 to x^3 then f′(x)=? 
calculus
the value of f(4) is negative, but the function is increasing rapidly at x=4 
Calculus
find the area of the region. 2y=4sqrtx , y=3 and 2y+2x=6 ? 
Calculus
11) Find the following indefinite integrals. ∫x/(x+9)^(1/2)dx 
Calculus (derivatives)
find the slopes at the indicated points y = 3 + 5x  3x^3 (0,3), (1/2, 41/8), (2,11) 
Calculus
What does this equation mean? X = Cos (T) * Phi ^ ((2 / Pi) * T) Y = Sin (T) * P 
Calculus
use the intermediate value theorem to determine whether there is a zero f(x) = 3^3  6x^2 + 10x + 9 ; [1,0] 
Calculus 1
Given f(x)= 3e^(1x^2)*ln(x), find the equation of the tangent line at x = 1. 
calculus
What conditions must be satisfied by vectors u and v for this to be true? u + v >u  v 
Calculus
Given vectors u= (t, 2t, 3) and v=(2t, 5t, 1). For what values of t a) are u and v parallel? b) are u and v perpendicular? 
Calculus
Find the volume of the tetrahedron with verticies (1,1,2), (3,4,6), (7,0,1) and (1,5,8). 
CALCULUS
Show that the quadrilateral with verticies at P(0,2,5), Q(1,6,2), R(7,4,2), and S(6,0,5) is a parallelogram. 
Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3]. 
calculus
Need help asap! what is the limit as x approaches 0 of x/tan(3x) ? 
Calculus
Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3]. 
calculus
9) Find all critical numbers of the function f(t)=9t^2/3+t^5/3 
calculus
Given vectors u= (t, 2t, 3) and v=(2t, 5t, 1). For what values of t a) are u and v parallel? b) are u and v perpendicular? 
Calculus
Suppose g (x) is increasing and concave up everywhere and g (A) = 9, g '(A) = 17, h = 0.01 estimate g(Ah) 
Calculus
Find f''(1/2) using f(x) = ln(1x). f'(x) = 1/(1x) * 1 = 1/(1x) so then using quotient rule: f''(x) = ((1*1)  ((1x)(0))) / (1x)^2 f''(1/2) = 1/(1(1/2))^(2) = 4 Is this correct? 
Calculus
find the point on the plane 5x+4y+z=12 that is nearest to (2,0,1) 
Calculus
Find the slope of the curve f(x)=1/(x^2+3). My answer: (2x)/(x^2+3)^2 
calculus
how would you represent the area outside given y= 4cos(2theta) but outside y=4 ? 
calculus
find the arc length from (x1,y2) to (x2,y2) on the graph F(x)=mx+b 
Calculus
Calculate the integral of: ((x^2)tan(x))/(1+((cos(x))^4)) 
Calculus
Calculate the slope of the graph of f(x)=4x^2 if x<1 and 2x+1 if x>1 at each of the following points: a.P(1,3) b.P(2,5) 
Calculus
Determine the following limits if it exists. a. lim x>5 (4x/x5) 
Calculus
y=x^211x+30 For what values of x is y greater than or equal to 0? 
Calculus
Find the area between the xaxis and the graph y = x^2 – x + 1 from x = 0 to x = 3. 
Calculus I
Find numbers a and b such that: lim (sqrt(ax+b)9)/x =1 x>0 
calculus
find the derivative with respect to x: sqrt(x+s) = (1/x) + (1/s) 
Business Calculus/Algebra Review
M3 M+5 is less than or equal to 0 
Calculus
Find the interval on which f(x)=xe^x is increasing. I got (1,infinity).. 
Calculus
find the critical numbers of the function: h(p)=p1/p^2+4 
Calculus
Use the product rule to find the derivative of the following. k(t)=(t^24)^2 k'(t)= 
Calculus
Find the interval on which f(x)=xe^x is increasing. I got (1,infinity).. 
calculus
The function f(x) = (7 x+9)e^{2 x} has one critical number. Find it. 
Calculus (please help)
Evaluate the indefinite integral: INT dx/(64+x^2)^2 Please help with this one. 
Calculus
The equation of the tangent line to f(x) = \sqrt{x} at x = 64 is y = 
Calculus
Evaluate the indefinite integral: INT dx/(64+x^2)^2 
calculus
3) f(x)=x^(2)/6x^(2)+4. List the x values of the inflection points of f. 
Calculus
f(x)= 6ln(2x+7ln(x)) I need to find the first derivative. 
calculus
find cosx and sinx if tanx = 4 
calculus
if f(x)=ln(x^3 +1) find f'(3), correct to 2 decimal places 
calculus
Find the Maclaurin series of xcos(x^2). 
Calculus
Find arccos (sqrt2/2). Can this be pi/4 and 7pi/4? 
Calculus
How do you find the first and second derivative of the following function? P(t)=20/(1+3e^0.02t) 
Calculus 1
find an expression for a cubic function f if f(1)=6 and f(1)=f(0)=f(2)=0 
Calculus BC
s(t)=t^3  5/2 t^2  2t + 1 for all t>=0, 1. what was the displacement on 0<= t <= 4 2. at t =.5 is the function slowing down or speeding up? 
calculus
Find d2y/dx2 in terms of x and y. y5 = x6 
Calculus
Using Descartes' Rule of Signs, solve: f(x)=x^3+x^2x+1. 
calculus
Hi i need help for calcul with a Moivre's theorem: ( 1/2 ( 1  i√3 )) ^3 thanks for your help 
calculus
Find the derivative. Could you please show me the steps? y = ãx(5ãx) 
calculus
If f(1) > 0 and f(3) < 0, then there exists a number c between 1 and 3 such that f(c) = 0. Is this true or false? Please and thank you 
calculus
discuss the curves under the headings given in this section y=x/x1 
Calculus 2
use the method of equating coefficients. integral of (x^3+5x^2+12)/((x^2)(x^2+4)) dx 
Calculus
Find the derivative of f(x) = ln(48e3x − 11) 
Calculus
Find the derivative of f(x) = ln(48e^3x − 11) 
calculus
find the derivative of y=sqrt of arctan x 
Calculus (Help please)
Find all the critical numbers for the following function. F(x) = (16  x^2)^(3/5) 
Calculus
Find all the relative extrema of f(x) = x = x3 – 3x2 + 4. 
calculus
find the derivative of f(x)=cot(3x)csc^2(3x) 
calculus
if f(x)=ln(x^3 +1) find f '(3), correct to 2 decimal places 
Calculus
write the equation of line tangent to f(x)=(1/3x^3)x^2+x1 when x=1 
Calculus
For the function g(x) = xe power x, there is inflection point at? 
calculus help
Evaluate!!!! integral 10 to 10 ((2e^x)/(sinhx+coshx))dx Thanks! 
Calculus AB
What are the six trigonometric functions of 2010 times pi? 
mathcalculus
(4)/(x3)+(2)/(3x) (4)/(x3) + (2)/(1)(3+x) i factor out a negative 1 from 3x. 4/(x3)+ 2/(x3) 6/x3 it suppose to be 2/x3 how i get that? 
Calculus
Suppose that f(t)=Qoa^1=Qo(1+r)^t with f(4)=72.2 and f(10)=176.7. Find what a is and what r is.